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Finding the Fourth Proportional to 312,888.24, 469,345.95 and 153,098.73

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Solution

The fourth proportional to 312,888.24, 469,345.95 and 153,098.73 is: 229,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,888.24 : 469,345.95 = 153,098.73 : x
  2. Step 2: Convert to fraction form
    312,888.24/469,345.95 = 153,098.73/x
  3. Step 3: Cross multiply
    312,888.24x = 469,345.95 × 153,098.73
  4. Step 4: Simplify right side
    312,888.24x = 71,856,268,875.64
  5. Step 5: Solve for x
    x = 71,856,268,875.64/312,888.24
  6. Step 6: Final answer
    x = 229,654.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.